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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CompositingReasonFinder_h | 5 #ifndef CompositingReasonFinder_h |
6 #define CompositingReasonFinder_h | 6 #define CompositingReasonFinder_h |
7 | 7 |
8 #include "core/rendering/RenderLayer.h" | 8 #include "core/rendering/RenderLayer.h" |
9 #include "core/rendering/compositing/CompositingTriggers.h" | 9 #include "core/rendering/compositing/CompositingTriggers.h" |
10 #include "platform/graphics/CompositingReasons.h" | 10 #include "platform/graphics/CompositingReasons.h" |
11 | 11 |
12 namespace WebCore { | 12 namespace WebCore { |
13 | 13 |
14 class RenderLayer; | 14 class RenderLayer; |
15 class RenderObject; | 15 class RenderObject; |
16 class RenderView; | 16 class RenderView; |
17 | 17 |
18 class CompositingReasonFinder { | 18 class CompositingReasonFinder { |
19 WTF_MAKE_NONCOPYABLE(CompositingReasonFinder); | 19 WTF_MAKE_NONCOPYABLE(CompositingReasonFinder); |
20 public: | 20 public: |
21 explicit CompositingReasonFinder(RenderView&); | 21 explicit CompositingReasonFinder(RenderView&); |
22 | 22 |
23 CompositingReasons styleDeterminedReasons(RenderObject*) const; | 23 CompositingReasons styleDeterminedReasons(RenderObject*) const; |
24 CompositingReasons directReasons(const RenderLayer*, bool* needToRecomputeCo
mpositingRequirements) const; | 24 CompositingReasons directReasons(const RenderLayer*, bool* needToRecomputeCo
mpositingRequirements) const; |
25 | 25 |
26 CompositingReasons suppressWillChangeAndAnimationForGpuRasterization(const R
enderLayer*, CompositingReasons styleReasons) const; | 26 CompositingReasons suppressWillChangeAndAnimationForGpuRasterization(const R
enderLayer*, CompositingReasons styleReasons) const; |
27 | 27 |
28 void updateTriggers(); | 28 void updateTriggers(); |
29 | 29 |
30 bool hasAnimationTrigger() const; | |
31 bool hasOverflowScrollTrigger() const; | 30 bool hasOverflowScrollTrigger() const; |
32 bool hasLegacyOverflowScrollTrigger() const; | 31 bool hasLegacyOverflowScrollTrigger() const; |
33 | 32 |
34 bool requiresCompositingForScrollableFrame() const; | 33 bool requiresCompositingForScrollableFrame() const; |
35 bool requiresCompositingForPosition(RenderObject*, const RenderLayer*, Rende
rLayer::ViewportConstrainedNotCompositedReason*, bool* needToRecomputeCompositin
gRequirements) const; | 34 bool requiresCompositingForPosition(RenderObject*, const RenderLayer*, Rende
rLayer::ViewportConstrainedNotCompositedReason*, bool* needToRecomputeCompositin
gRequirements) const; |
36 | 35 |
37 static bool isViewportConstrainedFixedOrStickyLayer(const RenderLayer*); | 36 static bool isViewportConstrainedFixedOrStickyLayer(const RenderLayer*); |
38 | 37 |
39 private: | 38 private: |
40 bool isMainFrame() const; | 39 bool isMainFrame() const; |
(...skipping 12 matching lines...) Expand all Loading... |
53 bool requiresCompositingForWillChangeCompositingHint(const RenderObject*) co
nst; | 52 bool requiresCompositingForWillChangeCompositingHint(const RenderObject*) co
nst; |
54 bool requiresCompositingForWillChangeGpuRasterizationHint(const RenderObject
*) const; | 53 bool requiresCompositingForWillChangeGpuRasterizationHint(const RenderObject
*) const; |
55 | 54 |
56 RenderView& m_renderView; | 55 RenderView& m_renderView; |
57 CompositingTriggerFlags m_compositingTriggers; | 56 CompositingTriggerFlags m_compositingTriggers; |
58 }; | 57 }; |
59 | 58 |
60 } // namespace WebCore | 59 } // namespace WebCore |
61 | 60 |
62 #endif // CompositingReasonFinder_h | 61 #endif // CompositingReasonFinder_h |
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